Power plants in Hardin County, Ohio
5 operating power plants in Hardin County, Ohio, with 619 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Hardin County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Hardin Solar IIISolar | 250 | 471* | – |
| 2 | Hardin Solar Energy LLCSolar | 150 | 291 | 22.2% |
| 3 | Hardin Solar Energy II LLCSolar | 150 | 329 | 25.0% |
| 4 | Hog Creek Wind ProjectWind | 66 | 203 | 35.1% |
| 5 | Ohio Northern University Solar SiteSolar | 3.0 | 3.9 | 15.0% |
* Fewer than 12 months of 2025 reported, so the total is partial.
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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